feat!: Move to @fgiova/sqs-consumer

[fgiova]

BREAKING-CHANGE: some changes according to @fgiova/sqs-consumer synth

[Copilot]

Pull Request Overview

This PR migrates the plugin from the legacy sqs-consumer library to @fgiova/sqs-consumer, updating the underlying SQS consumer implementation and modernizing the codebase. The changes include updating test infrastructure from ElasticMQ to LocalStack, migrating from ESLint to Biome for linting, and updating the minimum Fastify version requirement from 4.x to 5.x.

Key changes:

• Replace sqs-consumer dependency with @fgiova/sqs-consumer and update the plugin API accordingly
• Migrate test infrastructure from ElasticMQ to LocalStack for better AWS compatibility
• Switch from ESLint to Biome for code formatting and linting

Reviewed Changes

Copilot reviewed 17 out of 19 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/index.ts	Core plugin implementation updated to use new SQS consumer library with modified API structure
package.json	Dependencies updated to use new SQS consumer library, build tools, and linting setup
test/unit/index.ts	Test suite updated for new API structure and LocalStack integration
test/scripts/runners/localstack.js	New LocalStack container setup replacing ElasticMQ
test/helpers/sqsMessage.ts	Helper functions updated for LocalStack endpoint configuration
biome.json	New Biome configuration file
README.md	Documentation updated to reflect new API and requirements

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[Copilot]

The localStackContainer variable is marked as unused but kept for clarity. Consider either using it for proper cleanup or removing it entirely to avoid confusion.

Suggested change

	// biome-ignore lint/correctness/noUnusedVariables: leave for clarity
	container: localStackContainer,